package org.malred.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.malred.common.R;
import org.malred.entity.User;
import org.malred.service.UserService;
import org.malred.utils.MailUtils;
import org.malred.utils.ValidateCodeUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;

    /**
     * 发送收集短信验证码
     *
     * @param user
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session) throws Exception {
        // 获取手机号
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)) {
            // 生成随机的4为验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            // 发送(我这里用到是邮件,手机号+@163.com)
            MailUtils.sendMsg(phone + "@163.com", code);
            // 验证码保存到session
            session.setAttribute(phone, code);
            return R.success("验证码发送成功");
        }
        return R.error("验证码发送失败");
    }

    /**
     * 移动端用户登录
     *
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session) {
        log.info("login info: {}", map);
        // 获取手机号
        String phone = map.get("phone").toString();
        // 获取验证码
        String code = map.get("code").toString();
        // 从session中获取保存的验证码
        String codeInSession = session.getAttribute(phone).toString();
        // 校验验证码
        if (code.equals(codeInSession)) {
            // 判断当前手机号对应的用户是否为新用户, 如果是就自动注册
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone, phone);

            User user = userService.getOne(queryWrapper);
            if (user == null) {
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user", user.getId());
            return R.success(user);
        }
        return R.error("登录失败");
    }
}
